chriswin/hmmd-sensor-waveshare
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time instead of iteration for turning off light

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chriswin
2025-10-19 20:36:44 +02:00
parent 43e68808c5
commit 59fc3ff0cb
1 changed files with 16 additions and 16 deletions
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28
hmmd-sensor-waveshare.ino
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@@ -6,7 +6,8 @@
// Normal mode command // Normal mode command
#define COMMAND "FDFCFBFA0800120000006400000004030201" #define COMMAND "FDFCFBFA0800120000006400000004030201"
#define PRESENCE_DISTANCE 100 #define PRESENCE_DISTANCE 100
#define COUNT_STATUS_DIFFERENCE 5 #define DELAY_STATUS_CHECK 1000 // delay (in ms) between two checks of the presence
#define POWER_DELAY 20000 // delay (in ms) until turning off the screen
// Zigbee // Zigbee
#define OCCUPANCY_SENSOR_ENDPOINT_NUMBER 1 #define OCCUPANCY_SENSOR_ENDPOINT_NUMBER 1
@@ -14,7 +15,7 @@
ZigbeeOccupancySensor zbOccupancySensor = ZigbeeOccupancySensor(OCCUPANCY_SENSOR_ENDPOINT_NUMBER); ZigbeeOccupancySensor zbOccupancySensor = ZigbeeOccupancySensor(OCCUPANCY_SENSOR_ENDPOINT_NUMBER);
bool isPresent = false; bool isPresent = false;
int countDifferent = 0; unsigned long lastMotionDetected = 0; // time when the last motion was detected
void setup() { void setup() {
initSerial(); initSerial();
@@ -25,7 +26,7 @@ void setup() {
void loop() { void loop() {
readAndProcessSensorLines(); readAndProcessSensorLines();
delay(500); delay(DELAY_STATUS_CHECK);
} }
void initSerial() { void initSerial() {
@@ -95,25 +96,24 @@ void readAndProcessSensorLines() {
// Check if the line contains the "Range" information // Check if the line contains the "Range" information
if (line.startsWith("Range ")) { if (line.startsWith("Range ")) {
// Extract the substring after "Range " // Extract the substring after "Range "
String distanceStr = line.substring(6); String distanceStr = line.substring(6);
int distance = distanceStr.toInt(); int distance = distanceStr.toInt();
bool currentStatus = distance <= PRESENCE_DISTANCE; bool currentStatus = distance <= PRESENCE_DISTANCE;
if (currentStatus != isPresent) { if (currentStatus == 1) {
countDifferent++; lastMotionDetected = millis();
} else {
countDifferent = 0;
} }
// change the status, if the last n updates were different than the current status if (currentStatus && !isPresent) {
if (countDifferent >= COUNT_STATUS_DIFFERENCE) { isPresent = true;
isPresent = !isPresent;
bool res = sendZigbeeOnOffCommand(isPresent); bool res = sendZigbeeOnOffCommand(isPresent);
Serial.print("Message sent: "); Serial.println("Motion detected, turning screen light on");
Serial.print(isPresent); } else if (!currentStatus && isPresent && (millis() - lastMotionDetected >= POWER_DELAY)) {
Serial.print(" - successful: "); isPresent = false;
Serial.println(res); bool res = sendZigbeeOnOffCommand(isPresent);
Serial.printf("No motion detected for %d ms, turning light off.\n", POWER_DELAY);
} }
} }
} }